ES2119531T3 - Procedimiento para la reutilizacion de disoluciones acuosas de extractos que se producen en la obtencion de pa 6 o copoliamidas. - Google Patents

Procedimiento para la reutilizacion de disoluciones acuosas de extractos que se producen en la obtencion de pa 6 o copoliamidas.

Info

Publication number
ES2119531T3
ES2119531T3 ES96107970T ES96107970T ES2119531T3 ES 2119531 T3 ES2119531 T3 ES 2119531T3 ES 96107970 T ES96107970 T ES 96107970T ES 96107970 T ES96107970 T ES 96107970T ES 2119531 T3 ES2119531 T3 ES 2119531T3
Authority
ES
Spain
Prior art keywords
reuse
procedure
aqueous extract
obtaining
copolyamides
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES96107970T
Other languages
English (en)
Inventor
Andreas Dr Gittinger
Claus Dr Wulff
Heinrich Dr Haupt
Karsten-Josef Dr Idel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of ES2119531T3 publication Critical patent/ES2119531T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/46—Post-polymerisation treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14—Lactams
    • C08G69/16—Preparatory processes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • C08G69/28—Preparatory processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
  • Extraction Or Liquid Replacement (AREA)

Abstract

LA INVENCION TRATA DE UN PROCEDIMIENTO PARA EL RECICLADO (REUTILIZACION) DE SOLUCIONES ACUOSAS DE EXTRACTO, QUE APARECEN EN LA OBTENCION DE POLIAMIDAS. EL PROCEDIMIENTO PARA LA REUTILIZACION DE LAS SOLUCIONES ACUOSAS DE EXTRACTO QUE APARECEN CONSISTE EN QUE LA SOLUCION ACUOSA DE EXTRACTO SE CONCENTRA Y POLIMERIZA, AÑADIENDOSE A LA SOLUCION DE EXTRACTO PEQUEÑAS CANTIDADES DE ACIDOS DICARBOXILICOS O POLICARBOXILICOS.
ES96107970T 1995-05-31 1996-05-20 Procedimiento para la reutilizacion de disoluciones acuosas de extractos que se producen en la obtencion de pa 6 o copoliamidas. Expired - Lifetime ES2119531T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19519819A DE19519819A1 (de) 1995-05-31 1995-05-31 Verfahren zur Wiederverwertung von wäßrigen Extraktlösungen, die bei der Herstellung von PA 6 oder Copolyamiden anfallen

Publications (1)

Publication Number Publication Date
ES2119531T3 true ES2119531T3 (es) 1998-10-01

Family

ID=7763227

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96107970T Expired - Lifetime ES2119531T3 (es) 1995-05-31 1996-05-20 Procedimiento para la reutilizacion de disoluciones acuosas de extractos que se producen en la obtencion de pa 6 o copoliamidas.

Country Status (5)

Country Link
US (1) US5703204A (es)
EP (1) EP0745631B1 (es)
JP (1) JPH08333449A (es)
DE (2) DE19519819A1 (es)
ES (1) ES2119531T3 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19531989A1 (de) * 1995-08-30 1997-05-15 Polymer Eng Gmbh Verfahren zur kontinuierlichen Herstellung eines dimerarmen Polyamid 6
DE19752181A1 (de) * 1997-11-25 1999-05-27 Basf Ag Verfahren zur Herstellung von Polyamiden
DE19801267B4 (de) * 1998-01-15 2005-03-24 Inventa-Fischer Gmbh Verfahren zur Herstellung von PA-6 Granulat und dessen Verwendung
DE10047657B4 (de) * 2000-09-26 2005-02-10 Basf Ag Verfahren zur Herstellung von Polycaprolactam, ein Polycaprolactam und dessen Verwendung
DE10124580A1 (de) * 2001-05-21 2002-12-05 Bayer Ag Verfahren zur Behandlung von Oligoamiden und zur Herstellung von Polyamid
JP5312338B2 (ja) 2006-10-24 2013-10-09 ビーエーエスエフ ソシエタス・ヨーロピア ポリアミドの製造にコイルチューブ蒸発器を利用する方法
DE102008044452A1 (de) 2008-08-19 2010-02-25 Lurgi Zimmer Gmbh Kontinuierliches Verfahren zur Extraktion von Polyamid-6
EP2532698B1 (de) * 2011-06-08 2016-04-20 Uhde Inventa-Fischer GmbH Verfahren und Vorrichtung zur direkten, kontinuierlichen Modifizierung von Polymerschmelzen
PL2546227T3 (pl) 2011-07-11 2016-12-30 Sposób wytwarzania wodnego roztworu soli
CN105669969B (zh) * 2016-02-01 2018-02-09 东华大学 一种尼龙6聚合方法及其熔体直纺方法
CN111363141B (zh) * 2020-02-14 2020-12-22 东华大学 一种绿色回用己内酰胺的连续水解聚合方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH230271A (de) * 1941-06-18 1943-12-31 Ig Farbenindustrie Ag Verfahren zur Veredlung von Superpolyamiden auf der Grundlage von w-Aminocarbonsäuren.
DE2501348C3 (de) * 1975-01-15 1988-02-11 Basf Ag, 6700 Ludwigshafen Kontinuierliches Verfahren zur Herstellung von Polyamiden aus epsilon-Caprolactam
DE2732328A1 (de) * 1977-07-16 1979-02-01 Basf Ag Verfahren zur herstellung von polycaprolactam
US5077381A (en) * 1990-06-01 1991-12-31 Basf Corporation Constant compositioin recycle of nylon 6 polymerization wash water
US5218080A (en) * 1990-06-01 1993-06-08 Basf Corporation Constant composition recycle of nylon 6 polymerization wash water
ES2106897T3 (es) * 1993-01-28 1997-11-16 Wiltzer Karl Heinz Proceso y dispositivo para la elaboracion de poliamidas 6 a partir de residuos de poliamida.

Also Published As

Publication number Publication date
EP0745631A1 (de) 1996-12-04
EP0745631B1 (de) 1998-08-05
DE19519819A1 (de) 1996-12-05
DE59600398D1 (de) 1998-09-10
US5703204A (en) 1997-12-30
JPH08333449A (ja) 1996-12-17

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